Premium WS413 625/623 headphone set engineered for underwater swimming with IPX8 waterproof rating and secure ergonomic fit

High-fidelity sound performance with sweatproof nano-coating technology for intense workouts and aquatic activities

Compatible with Sony movement MP3 players featuring tangle-free cable design and reinforced stress points

Ultra-lightweight titanium alloy housing with corrosion-resistant finish for durability in saltwater environments

Multi-environment use: ideal for competitive swimming training, triathlons, and high-intensity gym sessions

Patented ear-hook system with medical-grade silicone earplugs ensuring noise isolation up to 30dB

Military-grade shock absorption technology protects internal components from impact during outdoor sports

Includes premium carrying case with moisture-wicking interior and UV sterilization compartment